IP Library Granted Patent US 7,683,410
Granted Patent B2
US 7,683,410 · App. 11/422,171 · Granted Mar 23, 2010

Image pickup device

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Quick Facts
Patent No.
US 7,683,410
App. No.
11/422,171
Granted
Mar 23, 2010
Kind
B2
Abstract

An image pickup device includes a plurality of photoelectric transducers; and a diffusion-reflection layer provided in front of the plurality of photoelectric transducers, wherein a part of light incident on the diffusion-reflection layer is reflected and dispersed therefrom, and the remainder of the incident light is transmitted through the diffusion-reflection layer so as to be incident on the plurality of photoelectric transducers.

Claims (7)

1. An image pickup device comprising:

a plurality of photoelectric transducers;

color filters provided on said plurality of photoelectric transducers; and

a diffusion-reflection layer provided in front of said plurality of photoelectric transducers,

said diffusion-reflection layer being configured such that a part of light incident on said diffusion-reflection layer is reflected and dispersed by said diffusion-reflection layer, and a remainder of said incident light is transmitted through said diffusion-reflection layer, the remainder of said incident light being incident on said plurality of photoelectric transducers,

the image pickup device being configured such that, when mounted in a camera, an amount of the incident light on a TTL light receiving element of the camera is increased, and TTL auto strobe characteristics of the camera are improved

wherein said diffusion-reflection layer comprises a transparent material provided on surfaces of said color filters.

Assignments (3)
CORPORATE SPLIT Recorded Dec 2, 2011
From: HOYA CORPORATION
To: PENTAX RICOH IMAGING COMPANY, LTD.
Reel/Frame 027315/0115 →
MERGER Recorded Jan 15, 2010
From: PENTAX CORPORATION
To: HOYA CORPORATION
Reel/Frame 023790/0881 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 5, 2006
From: HIRAI, ISAMU
To: PENTAX CORPORATION
Reel/Frame 017724/0206 →